.u-title{
    height: 40px;
    background-color: #e4e4e4;
    border-left: 1px solid #ebeef5;
    border-top: 1px solid #ebeef5;
    border-right: 1px solid #ebeef5;
    padding: 0 20px;
    line-height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.u-title-btn{
    height: 32px;
    line-height: 32px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
    display: inline-block;
    padding: 0 20px;
    margin-left: 20px;
    color: #666;
    font-size: 12px;
}
.u-title>button{
    height: 32px;
}
.u-content{
    border-left: 1px solid #ebeef5;
    border-bottom: 1px solid #ebeef5;
    border-right: 1px solid #ebeef5;
}
.u-filter{
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
}
.u-filter-item{
    margin-right: 20px;
    margin-bottom: 10px;
}
.u-filter-item>label{
    display: inline-block;
    line-height: 40px;
    padding: 0 5px;
}

/* uploade */
.u-upload>input[type='file']{
    /* opacity: 0; */
    display: none;
}
.u-upload>label{
    border: 1px solid #dcdfe6;
    line-height: 40px;
    display: inline-block;
}